The Breather, cataloged under National Stock Number 4310-01-433-7127, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Flow Ezy Filters Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-433-7127 |
| Primary Part Number | AB-1000-3-G |
| Item Name | Breather |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Flow Ezy Filters Inc |
| Status | ACTIVE |
| Outside Diameter | 3.250 INCHES NOMINAL IN |
| Body Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AMD-1139 ITEM 13 | Appleton Marine Inc (USA) |
| YMD-7036 | Appleton Marine Inc (USA) |
| AB-1000-3-G PRIMARY | Flow Ezy Filters Inc (USA) |
| Reference | Meaning |
|---|---|
| AMD-1139 | D/9 Drawing number reference only Appleton Marine Inc |
NSN 4310-01-433-7127 is a Breather, manufactured by Flow Ezy Filters Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-433-7127 has 3 manufacturer part numbers on file: AMD-1139 ITEM 13 (Appleton Marine Inc), YMD-7036 (Appleton Marine Inc), AB-1000-3-G (Flow Ezy Filters Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4330-01-433-8000, 3040-01-436-0721. Verify interchangeability with system specifications before substitution.
Key specifications for AB-1000-3-G: Overall Height: 4.6875 INCHES NOMINAL IN; Outside Diameter: 3.250 INCHES NOMINAL IN; Body Material: STEEL CORROSION RESISTING; Special Features: BREATHER CAP FILTERS THE AIR TO A40 MICXRON LEVEL;ITEM ALSO SERVES AS A FILTER WITH A 30-MESH,3.000 IN.DEEP STRAINER BASKET WITH A PERFORATED INNER GUARD TO PROTEXT AGAINST PUNCTURE;MOUNTING IS BY FLANGE WITH SIX 0.1719 IN.DIA HOLES ON A 2.875 IN.BOLT CIRCLE;MOUNTING HARDWARE,GASKETS,AND TEMPLATES ARE SUPPLIED IN. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.